<template>
	<view class="login-container">
		<uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
		<button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
		<text class="tips-text">登陆后尽享更多权益</text>
	</view>
</template>
<script>
	import {mapMutations,mapState} from 'vuex'
	
	export default {
		data(){
			return{
				
			}
		},
		computed:{
			...mapState('my_user',['redirectInfo'])
		},
		methods:{
			...mapMutations('my_user',['updateUserInfo','updateToken','updateRedirectInfo']),
			
			// 用户授权之后,获取用户的基本信息
			getUserInfo(e){
				console.log(e)
				
				if(e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('您取消了登录授权！')
				
				console.log(e.detail.userInfo)
				this.updateUserInfo(e.detail.userInfo)
				
				this.getToken(e.detail)
			},
			
			async getToken(info){
				const [err,res] = await uni.login().catch(err => err)
				// console.log(res)
				if(err || res.errMsg !== 'login:ok') return uni.$showMsg('登陆失败')
				// console.log(res.code)
				
				// 准备参数
				const query = {
					code:res.code,
					encryptedDate:info.encryptedDate,
					iv:info.iv,
					rawData:info.rawData,
					signature:info.signature
				}
				
				// console.log(query)
				const {data:loginResult} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
				if(loginResult.meta.status !== 200) return uni.$showMsg('登陆失败！')
				// uni.$showMsg('登陆成功！')
				this.updateToken(loginResult.message.token)
				this.navigateBack()
			},
			
			navigateBack(){
				if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
					uni.switchTab({
						url:this.redirectInfo.from,
						complete() {
							this.updateRedirectInfo(null)
						}
					})
				}
			}
		}
	}
</script>
<style>
	/* 登录组件的css */
</style>
